| 1 | /* |
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| 2 | Copyright (c) 2005-2021 Intel Corporation |
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| 3 | |
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| 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | you may not use this file except in compliance with the License. |
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| 6 | You may obtain a copy of the License at |
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| 7 | |
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| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
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| 9 | |
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| 10 | Unless required by applicable law or agreed to in writing, software |
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| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | See the License for the specific language governing permissions and |
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| 14 | limitations under the License. |
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| 15 | */ |
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| 16 | |
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| 17 | #ifndef _TBB_detail__intrusive_list_node_H |
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| 18 | #define _TBB_detail__intrusive_list_node_H |
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| 19 | |
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| 20 | namespace tbb { |
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| 21 | namespace detail { |
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| 22 | namespace d1 { |
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| 23 | |
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| 24 | //! Data structure to be inherited by the types that can form intrusive lists. |
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| 25 | /** Intrusive list is formed by means of the member_intrusive_list<T> template class. |
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| 26 | Note that type T must derive from intrusive_list_node either publicly or |
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| 27 | declare instantiation member_intrusive_list<T> as a friend. |
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| 28 | This class implements a limited subset of std::list interface. **/ |
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| 29 | struct intrusive_list_node { |
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| 30 | intrusive_list_node* my_prev_node{}; |
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| 31 | intrusive_list_node* my_next_node{}; |
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| 32 | #if TBB_USE_ASSERT |
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| 33 | intrusive_list_node() { my_prev_node = my_next_node = this; } |
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| 34 | #endif /* TBB_USE_ASSERT */ |
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| 35 | }; |
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| 36 | |
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| 37 | } // namespace d1 |
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| 38 | } // namespace detail |
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| 39 | } // namespace tbb |
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| 40 | |
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| 41 | #endif // _TBB_detail__intrusive_list_node_H |
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| 42 | |
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